Google forms 2.0

function onFormSubmit(e) {
  var payload = {};
  var response = e.response.getItemResponses();

  payload["Email"] = e.response.getRespondentEmail();
  payload["Form_Title"] = FormApp.getActiveForm().getTitle();
  payload["Form_Id"] = FormApp.getActiveForm().getId();

  for (var i = 0; i < response.length; i++) {
      var question = response[i].getItem().getTitle();
      var answer = response[i].getResponse();
      payload[question] = answer;
  }